Operational news

On this page, you will find the latest news and announcements relating to gas operational data. Please refer to this page for more about data changes, outages, and discrepancies.

 

 

GCS Outage- Tuesday 19th June 16:15 - 19:15

Please be aware that there will be a system outage taking place on 19th June (between 16:15 - 19:15). This will affect the most upto date Supply data which will be available once the system is restored and PCLP data will be sent via the normal ANS route.

 

Going forward as promised during the last Operations forum, we will communicate future outages on this page, This will include a clear timeline of when outages will take place, affected reports and plans for rollback.

 

If you have any further questions, please contact us on box. [email protected]

 

Xoserve will be conducting their annual Gemini, Gemini Exit and EU disaster recovery test on Saturday 16th June 03:15 to 07:30 UK BST and Sunday 17th June 03:00 to 07:30 UK BST. Should it be necessary to fail back to the primary site the outage window will be extended to 12:30 UK BST. No capacity auctions and Nomination data  will be available until the system is released at 07:30 UK BST.

The following reports will be affected on Saturday and Sunday:

NB05-System Nomination Balance.

Data for the following hours will not be received and published on MIPI:

03:00, 04:00, 05:00, 06:00, 07:00

Data will be available post outage

Nomination Report

Data for the following hours will not be received and published on MIPI:

03:00, 04:00, 05:00, 06:00, 07:00

Data will be available post outage

NORD06-Gas Trading Report(D+2).

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NTSEOD-NTS Commercial Entry End of Day Flow.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

OC46-Price Information History.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

 UK Wholesale Gas Market Liquidity Data

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

Use of Balancing Tools (NORM01)

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

DA10-View WCF / SF.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD01-Cashout Balancing Prices.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD01-Daily Balance Report.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD01-Daily Operation Information.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

Capacity Trading Analysis (NORM26)

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

Long Term Capacity Auctions Report

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD03-Future Entry Capacity Traded.

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD03-Future Entry Capacity Traded (Capacity/Prices).

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD03-Future Entry Capacity Traded (Transactions).

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD03-Within Day Entry Capacity Traded Report (Capacity/Prices).

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

NORD03-Within Day Entry Capacity Traded Report (Transactions).

Data for the outage period will be received and published on MIPI on Sunday and Monday following the outage each day

 

We will provide regular updates following this outage. If you have any further questions, please contact us on box. [email protected]

 

Rough Storage Classification Change - MIPI Reporting

8 June 2018

Please be aware there will be a MIPI maintenance activity taking place Wednesday 13th June between 16:00 to 19:00. Between this time all historical data will be available.PCLP data will be made available during the normal ANS route. Please be aware all the reports impacted will be updated accordingly following this activity.

On the 17/01/18 Rough was reclassified as a production (sub terminal) facility on the NTS due to this change the information we provide required an extensive change within our systems to allow the correct and relevant information to be published to the industry.

  • For Gas Day 16/01/18 all data held in MIPI and aligned to Rough will be in relation to Rough’s operation as a Storage Site.
  • For Gas Day 17/01/18 all data held in MIPI and aligned to Rough will be in relation to Rough’s operation as a Production Facility (sub- terminal)

The Rough Sub terminal information will be available in both the MIPI and GMRS applications.

  1. Daily Summary Report
  2. Nomination Report
  3. Aggregate Allocation Report
  4. NTS Commercial Entry End of Days
  5. NTS Physical Entry End of Days
  6. Storage and LNG Report
  7. Daily Balance Report
  8. Storage Withdrawals and Injection Allocations

The Historical data for Rough Storage site will be available in both the MIPI and GMRS applications in line with retention period. You can see the data post our deployment. The Rough Storage data will be available in the below impacted reports:

  1. Nomination Report
  2. NTSEOD Physical Entry end of the day report
  3. NTSEOD commercial entry end of the day report
  4. The aggregated value in the Aggregate allocation report, NTSAFF Forecast flow, NTSAPF Physical Flow
  5. The GMRS application

You can download the data using Report explorer and data item explorer.

We will provide regular updates following this outage. If you have any further questions please contact us on box. [email protected]

 

Procurement guidelines 2017-2018

30 April 2018

Please be aware that the Procurement Guidelines Report covering the period 1st April 2017 to 31st March 2018 is now available on the Procurement and System Management Documents page.

Please note there will be a MIPI outage taking place Thursday 31st May between 16:15 to 19:15 All reports will be unavailable during this outage and PCLP data will be made available during the normal ANS route. Normal service will resume shortly after.

For further information, please contact the Operational Liaison team:

[email protected]

 

MIPI Outage- 14th May 2018

Please note there will be a MIPI outage taking place Monday 14th May between 09:00 to 13:30 All reports will be unavailable during this outage and PCLP data will be made available during the normal ANS route. Normal service will resume shortly after.

For further information, please contact the Operational Liaison team:

[email protected]

 

The Gemini and Exit systems use industry standard SSL encryption certificates to transmit data securely between Xoserve and yourselves, when accessing through the Gemini API connection.

This certificate is soon to expire, so Xoserve will be renewing on Friday 11th of May 2018 during the Gemini maintenance window (03:15 – 04:15), and do not anticipate any problems with the update to yourselves. 

Should you encounter any problems, your IT resource will need to follow the below steps to assist with resolution.   Documentation containing screenshots is also available from the Xoserve website at https://www.xoserve.com/index.php/our-systems/gemini/gemini-technical-publications/

Note: If required, both the Root and Intermediate Certificates can be provided by contacting the Xoserve Service Desk.

  1. Download the certificates to desktop and rename it from .txt to .cer.
  2. Double click in the certificate and click the "Install Certificate..." button.
  3. Click on next
  4. Select "Place all certificates in the following store"
  5. Click on Browse and select "Trusted Root Certification Authorities" and Click OK.
  6. Click Next and Finish.
  7. On the security warning window click on yes to import the certificate.

Certificate Common Name - prod-ix.geminints.com

If you encounter any problems following your certificate upgrade, please raise a support ticket with the Xoserve Service Desk ([email protected]) or call 0845 6000 506.

 

 

Please note there will be a MIPI Outage taking place Tuesday 1st May between 16:15 to 18:00. All reports will be unavailable during this outage and PCLP data will be made available during the normal ANS route.

Normal service should resume shortly after and missing data during the outage will be patched the following day. If you have any further questions please contact us on [email protected]

 

The issue surrounding MIPI Data that was unavailable for 13:00 and 14:00 has now been rectified, our IS team will keep the ticket open and monitor. For any queries please contact us at [email protected]

 

MIPI Data Availability 22.3.2018

Data via our MIPI pages has failed for the 13:00 and 14:00 hour bars, we are working with our IS colleagues to rectify this issue as we write. 

We will of course update the industry once further information received.

 

Clock Change

The Gemini Clock change from Greenwich Mean Time (GMT) to British Summer Time (BST) will be carried out on Sunday 25th March 2018.

The Gemini system will not change to BST until 02:00 GMT (03:00 BST) on Sunday 25th March 2018, when the normal housekeeping slot will commence.

Please be aware that the system clocks will remain in GMT until 02:00 when they close for housekeeping. The systems will then return at the times given in the timetable below:

Gemini Timetable (system times):

Start of outage:           Sunday 25/03/2018 at 02:00 GMT (03:00 BST)

End of outage:             Sunday 25/03/2018to 05:00 BST

Duration:                     Net outage - 2 elapsed hours (normal housekeeping slot)

Shippers

All EU Nominations for gas day 25/03/18 will need to be placed and confirmed within both the Gemini and TSO systems by 00:59 GMT on Sunday 25th

TSO’s

The impact to the EU Nominations process is that the last DELORD file to be sent to the TSOs from Gemini will be at 01:03 GMT.

Regards

National Grid

 

Please be aware we are experiencing issues with MIPI data due to issues from the source system.

The following reports have been affected:

Nomination Report

AOF-Actual Offtake Flows.

Aggregate Allocation Report

NTS Physical Entry End Of Day (NTSEOD)

NORD01-Daily Operation Information

NTS Physical Entry End Of Day (NTSEOD)

Day Ahead Gas Flow Nominations

NB05-System Nomination Balance.

SISR04-Actual Demands.

Demand Analysis LDZ DM and NDM (NORM06)

Operational Summary Report

Daily Auctions Summary Report (Within Day)

NORD07-Capacity Availability Report.

 

We will provide further updates and apologise for any inconvenience caused.

For further information, please contact the Operational Liaison team:

[email protected]

01926 656 474

 

Dear Customer,

Please be advised that for Gas Day 01/03/18 the trade data highlighted on the prevailing view page is not accurate.

The correct data is as follows:

 

p/ KWh

p/Therm

SAP

12.7162

372.6761

SMPB

17.0266

499.0000

SMPS

12.6710

371.3514

7 day av of SAP

4.3397

127.1850

Work is underway to ensure there is a data fix in MIPI.

 

Non Storage Supply Forecast Update

Based on latest information available to us we have revised the Non Storage Supply (NSS) forecast number which has a consequential impact on the Margins Notice.  The updated number is reflected on Prevailing View.

http://mip-prod-web.azurewebsites.net/PrevailingView/Index

 

MIPI GMRS DR TEST- Update 23.2.18 14:00

Customer,

 

We are pleased to inform you that Disaster recovery has now been completed and systems restored, and, are running as expected.

 

During this outage period, we appreciate that various data items were not published as normal. In response to this, we have summarised these missing data items below:

 

23/02/18

 

Time

OPLP

Demand

PCLP

SAP

SMPB

SMPS

00:00

359.8

310.0

394.1

1.874

1.8922

1.8018

01:00

358.4

310.0

392.7

1.8469

1.8921

1.8017

02:00

357.4

310.0

391.4

1.8468

1.8921

1.8016

04:00

358.7

313.4

388.5

 

 

 

05:00

358.7

313.5

388.8

1.8468

1.8921

1.8016

06:00

358.7

313.5

388.3

1.8468

1.8921

1.8016

07:00

358.7

313.5

388.2

1.8466

1.8921

1.8016

08:00

358.7

314.1

387.6

1.8466

1.8921

1.8016

09:00

358.7

312.8

383.5

1.8468

1.8921

1.8016

10:00

358.7

315.4

381.5

1.8468

1.8921

1.8016

11:00

358.7

315.4

378.5

1.8468

1.8921

1.8016

12:00

358.7

313.7

358.7

1.8468

1.8921

1.8016

 

Restoration of this data, back on to the system, could take up to 24hrs.

 

We apologise again for any inconvenience caused.

 

For further information, please contacts the Operational Liaison team:

[email protected]

01926 656 474

 

Dear Customer,

We are writing  to inform you that due to some minor issues, the completion of Disaster Recovery is running slightly behind schedule and therefore MIPI is not displaying current data.

National Grid is working to restore service as soon as possible.

In the meantime, we continue to post the following hourly data, via ANS. For those who do not have access to the ANS service, please find the 12:00hr missing MIPI data, below:

23/02/18

Time

OPLP

Demand

PCLP

SAP

SMPB

SMPS

12:00

358.7

313.7

358.7

1.8468

1.8921

1.8016

We will continue to publish this information via ANS until MIPI has been completely restored. We will also provide a further news item with all hourly data which has been published via ANS since the start of the Gas Day for those customer who do not have access to ANS.

We apologise for any inconvenienced caused.

For further information, please contacts the Operational Liaison team:

[email protected]

01926 656 474

Alternatively, please contact Hayley Johnson, Operational Liaison team:

07568 577 564

 

 

There will be a planned outage to MIPI and GSMR from 08:45 on Thursday 22nd February until 11:00

Friday 23rd February, to allow a Disaster Recovery Test to take place. MIPI may appear to be available in between these times but may not have current data. National Grid will via ANS publish key hourly data. Please note normal service will resume following the outage however, data lost during the outage will be patched in due course. Update on progress will be available periodically via ANS. Further updates will be available following the outage .

 

MIPI Planned Outage - 19/02/18

Please be aware there will be a system outage taking place on Monday 19th February 2018 between the hours of 17:00 to 02:00. All MIPI reports will be unavailable during this outage.

Normal service should resume shortly after and missing data during the outage will be patched the following day. If you have any further questions please contact us on box. [email protected]

 

Gemini Extended Outage - Sunday 11th February 2018 05:00 > 07:00 UK GMT Owing to remediation of an operational incident on the 29th January 2018, there will be an extended outage to Gemini of an additional 2 hours following the Sunday Gemini housekeeping window to failback the Gemini database to our primary site. No shipper, TSO activity or API access will be possible during the outage. Any files received during this period will be processed once the system becomes available.

 

Please be aware in accordance with UNC Section V a revision has been made to the Non Storage Supply (NSS) forecast number to take into account the status change of Rough Storage to Rough Production. It has also been evident that over the winter period flows have been consistently higher than the forecast numbers published in Winter Outlook 17/18 for categories including UKCS, Norway and IUK. As a consequence of this the NSS forecast has been revised from 354mcm to 382mcm. This change will be effective from Gas Day 8th February 2018.

 

In addition the Safety Monitor numbers in accordance with UNC Section Q have been changed to reflect the above. The requirements are published on the NG website and on the Joint Office website

The Safety Monitor is there to ensure there is enough gas available for customers - that cannot be safely isolated (mostly domestic customers) – to remain supplied across the whole of the most severe winter. It also includes an amount required to isolate those customers that can be safely isolated (such as power stations and large industrial customers). It is there to ensure the safety and integrity of the system and customers - it is not to ensure security of supply. Further information can be found by accessing the following link https://www.nationalgrid.com/uk/gas/market-operations-and-data/transmission-operational-data under heading Pre-emergency notifications.

If you have any further questions or comments please contact the Operational Performance Manager Harjinder Kandola:- 07896175660/ [email protected]

 

SUBJECT: Rough Storage classification change – MIPI reporting

 

In relation to the REMIT notification published by Centrica Storage Limited (CSL) 15/01/2018 .

 

http://www.centrica-sl.com/regulation/remit/2017-60a

 

Please note that it has been confirmed that for contractual purposes, Rough will be reclassified as a Production (sub terminal) facility on the NTS from 00:01 on 17/01/2018.

 

This communication is to highlight to our customers how MIPI Operational Data associated with Rough will be displayed until an enduring solution can be implemented.

 

  • For Gas Day 16/01/18 all data held in MIPI and aligned to Rough will be in relation to Rough’s operation as a Storage Site.
  • For Gas Day 17/01/18 all data held in MIPI and aligned to Rough will be in relation to Rough’s operation as a Production Facility (sub- terminal) but will remain displayed under the Rough Withdrawal data item.

 

For the reports impacted, please see below:

 

  • Reports
    • Daily Summary Report
  • Pre Day – Within Day
    • Nomination Report
  • After the Day
    • Aggregate Allocation Report
    • NTS Commercial Entry End of Days
    • NTS Physical Entry End of Days
    • Storage and LNG Report
    • Daily Balance Report
  • Monthly Reports
    • Storage Withdrawals and Injection Allocations

 

For Data Item Explorer and for API users please note the above and manipulate the data accordingly.

 

Enduring Solution Updates

We will aim to provide an update at least every month with regards to this via the Operational Forum and MIPI News Item Updates.

 

Further Communication

Please be advised that Centrica Storage Limited have requested to present at the Operational Forum on 25 January 2018 with regards to providing more detail on the REMIT notification. For details on the Operational Forum venue and Agenda please follow the attached link.

 

https://www.nationalgrid.com/uk/gas/market-operations-and-data/gas-operational-forum

 

In addition National Grid will provide an update on MIPI progress and also take any questions you have.

 

In the interim if you have specific questions in regards to the data please forward to: [email protected] .

 

Kind Regards

Karen Thompson

Operational Liaison Manager

 

 

Please be aware the Storage stock information is missing from prevailing view for Gas Days 13th and 14th January 2018. We will provide further updates accordingly.

If you have any queries regarding this issue please contact us on : [email protected].

 

MIPI Maintenance

Please be aware there will be a system outage taking place on Friday 19th January 2018. We do not expect MIPI to be impacted during the maintenance activity. Please find details below:

Implementation Start Time - 19 Jan 2018 09:00:00 BST

Implementation End Time - 19 Jan 2018 13:00:00 BST

If you have any queries on this please contact [email protected].

 

Dear Colleague

We are pleased to confirm the successful implementation of EU Phase 4a Transparency changes. These are summarised as follows:

  • Publication of Reserve Prices for KWh/day for Interconnection Points
  • Publication of charge for what it costs to flow 1 GWh/day/year for each Interconnection Point
  • Information to be published before the tariff period on the NG Webpage

User Guidance was emailed to the shipper community on the 30th of November.  Please email: [email protected] with any queries.

Kind regards
EU Gas Regulatory Change Programme, National Grid

Dear all

For awareness only - the last release within the EU Phase 4a project comprises some changes to the ENTSOG Transparency Platform and the publication of data on the National Grid Website which are due for go live tomorrow 1st December 2017. The changes are necessary for us to meet our legal obligations but they are of low impact and we don’t anticipate many queries. We are pleased to confirm that these changes are already live and include:

  • Publication of Reserve Prices for KWh/day for Interconnection Points

  • Publication of charge for what it costs to flow 1 GWh/day/year for each Interconnection Point

  • Information to be published before the tariff period on the NG Webpage

    These changes have been communicated during the last few months to the gas shipper community through the Gas Ops Forum and Transmission Workgroup. Please find enclosed User Guidance detailing the changes, just in case you get any queries. The guidance is being circulated via email to the gas shippers this afternoon.

    Please do get in touch if you have any queries.

    Kind regards, Sarah

System Outage

20/11/2017

Please be aware that there will be a  system outage taking place on 21st Nov 2017 (between 16:15- 18:15) affecting the MIPI web service . This will affect the following reports:

-  AggregatePhysical NTS System Entry Flows (NTSAPF)
-  End Of Day Aggregate Forecast NTS System Entry Flows (NTSAFF)
-  System Status Information (NB92)
-  Calorific Value Report.
-  PDWS hourly physical flow data

-Linepack swing report will also be affected.

Normal service should resume shortly after. We will provide regular updates   following this outage. If you have any further questions please contact us on box. [email protected]

Clock Change

25/10/2017

 The Gemini Clock change from British Summer Time (BST) to Greenwich Mean Time (GMT) will be carried out on Sunday 29th October 2017.

The Gemini system will not change to GMT until 04:30 BST (03:30 GMT) on Sunday 29th October, the normal housekeeping slot will commence as per current BST time.

Please be aware that the system clocks will remain in BST until 04:30 and the system will close for housekeeping as normal at 03.00 BST. The systems will then return at the times given below.

Gemini Timetable (system times):

Start of outage:                Sunday 29/10/17 at 03:00 BST (02:00 GMT)

End of outage:                 Sunday 29/10/17 to 05:00 GMT

Duration:                         Net outage - 3 elapsed hours

MIPI Outage 24th October 2017

23/10/2017

Please be aware that there will be a full system outage taking place on 24th October 2017 (between 07:00- 09:00)  and reports will be unavailable. 

Normal service will resume after this period and all missing data will be patched.

If you have any further questions please contact us on [email protected]

Calculated Linepack Utilisation

29/09/2017

You may be aware that there has been discussion with the Gas Operational Forum with regards to pressure fluctuations experienced by our customers on the NTS. We have articulated to customers why these pressure fluctuations occur and why National Grid needs to utilise these full range of allowed pressure tolerances to meet both the supply and demand profile of all of our customers on the NTS.

One area of discussion has been around what further information/indication that National Grid can provide to assist customers in managing operational requirements.  As part of this, we are trialling a  publication of a daily linepack (difference between NTS supply and demand) notification. This report is intended to help give an indication of what the linepack may be at the lowest point in the day, this will be available from

 2nd October 2017 (https://www.nationalgrid.com/uk/gas/market-and-operations/transmission-operational-data). Where there is a large reduction in linepack, customers may experience reduced pressures around that point in time.

This report is based on hourly physical supply and demand flow notifications received from NTS connected sites and latest linepack of the Gas Day. The following points of caution should be noted.

- It is important to note that the physical notifications which will indicate a change to linepack are changed continually throughout the day by connected parties and therefore linepack anticipated at the start of the day may be very different to the linepack seen later in the day. The report will be published at three key points within the gas day (06:00, 12:30 and 18:30) based on the latest information. 

- It should also be noted that a large reduction in national NTS  linepack does not mean all customers will experience reduced pressures. Locally, pressure can be significantly affected by the action of large locally connected sites and this can distort the effect of the national level linepack changes. 

- Potential actions taken by customers in response to this report may in itself change the linepack experienced. This  report is not able to inform customers what the linepack will be at a particular point in time; it indicates what the linepack would be based on the information we’ve received at that point in time. 

- We will be seeking feedback from customer on how useful this report is, and we are continuing to work with customers to explore information that may help meet customer’s needs. 

Calculated Linepack Utilisation

29/09/2017

You may be aware that there has been discussion with the Gas Operational Forum with regards to pressure fluctuations experienced by our customers on the NTS. We have articulated to customers why these pressure fluctuations occur and why National Grid needs to utilise these full range of allowed pressure tolerances to meet both the supply and demand profile of all of our customers on the NTS.

One area of discussion has been around what further information/indication that National Grid can provide to assist customers in managing operational requirements.  As part of this, we are trialling a  publication of a daily linepack (difference between NTS supply and demand) notification. This report is intended to help give an indication of what the linepack may be at the lowest point in the day, this will be available from

 2nd October 2017 (http://www2.nationalgrid.com/UK/Industry-information/Gas-transmission-operational-data/Supplementary-Reports/). Where there is a large reduction in linepack, customers may experience reduced pressures around that point in time.

This report is based on hourly physical supply and demand flow notifications received from NTS connected sites and latest linepack of the Gas Day. The following points of caution should be noted.

- It is important to note that the physical notifications which will indicate a change to linepack are changed continually throughout the day by connected parties and therefore linepack anticipated at the start of the day may be very different to the linepack seen later in the day. The report will be published at three key points within the gas day (06:00, 12:30 and 18:30) based on the latest information. 

- It should also be noted that a large reduction in national NTS  linepack does not mean all customers will experience reduced pressures. Locally, pressure can be significantly affected by the action of large locally connected sites and this can distort the effect of the national level linepack changes. 

- Potential actions taken by customers in response to this report may in itself change the linepack experienced. This  report is not able to inform customers what the linepack will be at a particular point in time; it indicates what the linepack would be based on the information we’ve received at that point in time. 

- We will be seeking feedback from customer on how useful this report is, and we are continuing to work with customers to explore information that may help meet customer’s needs. 

2017 Winter Webinars

29/09/2017

National Grid are pleased to announce that the 2017 Winter Webinars are now LIVE!

This year’s suite includes the following topics:

Gas System Pressures and Operational Tools

Recap summary of what affects NTS pressure

What has changed recently

What information is available from National Grid

What further information is being explored to help with pressure issues

Daily Agreed Gas Pressures Process & Operating Margins

Emergency Exercise

NEC background

Gas Deficit Emergency Stages and Actions

Information on Exercise Yield

Locational Trades/ Constraint Management

Description of what Locational Energy Actions are

How National Grid communicates in the event of a Locational Action being carried out

A working example

REMIT Platform

Overview of GB Remit Policy

Navigating round the platform, including how to post an urgent market message

SO Key Documents

Documents covered: Winter Outlook/Review & Consultation + Gas Ten Year Statement/Future Operability Planning + Future Energy Scenarios

Content includes where the documents are published, how often they are published and what information they include for

MIPI – Common Queries

To include top 10 MIPI queries, including:

Storage & LNG report – discrepancy in figures

APIs – how to register

CV missing data

Actual offtake flows – missing data

Gas Operational Forum

Summary of general topics covered

Who attends?

Promote the changing nature of the forums – more interactive

Pre-Emergency Notifications

Gas margins/deficit warnings

Safety monitors

All such webinars have been pre-recorded for your operational convenience and have since been uploaded to the following webpage:

https://www.nationalgrid.com/uk/gas/market-and-operations/transmission-operational-data

We hope you find the webinars informative and useful and should you have any questions in relation to any of the published content, please do not hesitate to contact the Operational Liaison team at [email protected] who will be able to put you in touch with the appropriate subject matter expert.    

2017 Winter Webinars

29/09/2017

National Grid are pleased to announce that the 2017 Winter Webinars are now LIVE!

This year’s suite includes the following topics:

Gas System Pressures and Operational Tools

Recap summary of what affects NTS pressure

What has changed recently

What information is available from National Grid

What further information is being explored to help with pressure issues

Daily Agreed Gas Pressures Process & Operating Margins

Emergency Exercise

NEC background

Gas Deficit Emergency Stages and Actions

Information on Exercise Yield

Locational Trades/ Constraint Management

Description of what Locational Energy Actions are

How National Grid communicates in the event of a Locational Action being carried out

A working example

REMIT Platform

Overview of GB Remit Policy

Navigating round the platform, including how to post an urgent market message

SO Key Documents

Documents covered: Winter Outlook/Review & Consultation + Gas Ten Year Statement/Future Operability Planning + Future Energy Scenarios

Content includes where the documents are published, how often they are published and what information they include for

MIPI – Common Queries

To include top 10 MIPI queries, including:

Storage & LNG report – discrepancy in figures

APIs – how to register

CV missing data

Actual offtake flows – missing data

Gas Operational Forum

Summary of general topics covered

Who attends?

Promote the changing nature of the forums – more interactive

Pre-Emergency Notifications

Gas margins/deficit warnings

Safety monitors

All such webinars have been pre-recorded for your operational convenience and have since been uploaded to the following webpage:

http://www2.nationalgrid.com/UK/Industry-information/Gas-transmission-operational-data/Webinars/

We hope you find the webinars informative and useful and should you have any questions in relation to any of the published content, please do not hesitate to contact the Operational Liaison team at [email protected] who will be able to put you in touch with the appropriate subject matter expert.

 

MIPI data issues

04/09/2017

The issue that caused data inconsistencies on MIPI on Friday 1 September were resolved at midnight on the same day. There are some remaining data anomalies specifically around Flow Weighted averages for the end of day CV’s within the Calorific value report in Data Item and the Energy Daily report within the Report Explorer page.  These values are currently in the process of being corrected and will be available as soon as possible. For all other reports, all data is available for 1 September Gas Day.

We will provide a further update this week.

Apologies for the inconvenience caused.

For further queries please contact us on [email protected] / 01926656474

MIPI Data Issues

01/09/2017

Please be advised that data issues are currently being experienced that may impact data items within MIPI and the Gemini application. We are working on the issue and apologise for any inconvenience caused.  Access to Gemini will remain unaffected.

Next update at 15:00. 

For more information Please contact us at [email protected]

MIPI Storage Stock Issue

25/08/2017

National Grid are aware of a current issue with reporting storage stock data via the MIPI publication.  We are working on this issue currently and will provide a further update when a solution is identified.

We apologise for any inconvenience caused, for any urgent queries please contact:

OperationalLia[email protected] or 01926 656474

Consultation on potential operating margins incentive

17/08/2017

We are consulting on the potential re-introduction of a financial incentive for Operating Margin’s costs. These proposals are designed to help ensure that the costs customers pay for Operating Margins are kept to a minimum.

In May we sought views on whether our customers support the general principle that, as with other pass-through costs, Operating Margins costs should be subject to a financial incentive. We would now very much welcome your view on whether you feel the scheme parameters that we have proposed to Ofgem represent fair balance of risk and reward sharing between customers and National Grid.

Your views will be passed to Ofgem who will consider these when developing their thinking on this matter.

Please use this link to view the document; it sets out our rationale for incentivising Operating Margins, our proposed scheme and contains background information. We would be very happy to discuss this further with anyone who may be interested to do so.

We would appreciate responses by 8 September. (However, if you would like to respond but are unable to do so by then for any reason please let us know.) We would be happy to discuss these proposals further if you would like further information.

UK Link disaster recovery

16/08/2017

Xoserve will be conducting the 2017 UK Link disaster recovery test on Friday 18th, Saturday 19th and Sunday 20th of   August as part of our annual programme of Disaster Recovery and resilience testing.

There will be a service MIPI outage during the following times:   

No new forecast weather in MIPI at 23:00 UK BST on Friday for gas days Friday 18th and Saturday 19th

No new forecast weather in MIPI at 08:00 UK BST on Saturday 19th August for that gas day

No new forecast weather in MIPI at 23:00 UK BST on Saturday for gas days Saturday 19th and Sunday 20th

There will be a delay in the publication of actual weather data for gas day Friday 18th August in MIPI, this data will be published late morning on the 19th August.

Normal service should resume after this period. 

If you have any further questions please contact us on [email protected]

Update EU Gas Regulatory Change

15/08/2017

The first release of the 2017 EU Gas Regulatory Change programme went live on Sunday after a successful implementation. 

Any Gemini system issues should be reported to the Xoserve Gemini Service Desk on 0845 600 0506.

Please email [email protected] for any other queries regarding these changes.   

Please continue to use your usual contact routes for any operational day to day issues.

MIPI maintenance activity

11/08/2017

Please be aware there will be a system outage taking place intermittently on Saturday 12th August 2017. We do not expect MIPI to be impacted during the maintenance activity, however there is a possibility that the instantaneous flows page will not be available during 09:00 – 14:30.

If you have any further questions please contact us on [email protected]

Update EU Gas Regulatory Change

11/08/2017

The next stage of EU Gas Regulatory Change goes live this Sunday 13th August with some changes to Gemini, addressing the requirements of CAM Code Amendments and some operational improvements. 

The changes include:

  • Four auctions for IP Quarterly Capacity replaces one auction
  • IP Annual Yearly Auction is moving from March to July 2018
  • Two new reports a)Entitlement versus Energy Allocation Report b)Utilisation Monitoring Report
  • Functionality for Negative Implied Flow Rates (Bacton IP only)  

Guidance has been circulated to the shipper community this week.

The Gemini implementation is due to take place during the planned Gemini Maintenance Window (3.00 – 5.00).

Any Gemini system issues should be reported to the Xoserve Gemini Service Desk on 0845 600 0506.

Please email [email protected] for any other queries regarding these changes.   

Please continue to use your usual contact routes for any operational day to day issues.

Update EU Gas Regulatory Change

4 August 2017

The next stage of EU Gas Regulatory Change goes live on the 13th August with some changes to Gemini, addressing the requirements of CAM Code Amendments and some operational improvements. 

The changes include:

  • Four auctions for IP Quarterly Capacity replaces one auction
  • IP Annual Yearly Auction is moving from March to July
  • Two new reports a)Entitlement versus Energy Allocation Report b)Utilisation Monitoring Report
  • Functionality for Negative Implied Flow Rates (Bacton IP only)  

The Gemini implementation is due to take place during the planned Gemini Maintenance Window (3.00 – 5.00).

Any Gemini system issues should be reported to the Xoserve Gemini Service Desk on 0845 600 0506.

Please email [email protected] for any other queries regarding these changes.   

Please continue to use your usual contact routes for any operational day to day issues.

MIPI maintenance activity

4 August 2017

Please be aware that there will be a system outage taking place intermittently on Saturday 5th August 2017 (between 09:00 – 14:30) affecting the whole MIPI web service. 

Please note that all reports will be affected.

Normal service will resume at 14:30.

If you have any further questions please contact us on [email protected].

MIPI outage 28.7.17

27 July 2017

Please be aware that there will be a system outage taking place on 28th June 2017 (between 05:00 - 05:30) affecting the whole MIPI web service. 

All reports will be affected.

Normal service will resume at 05:30 am.

If you have any further questions please contact us on [email protected]

System outage affecting MIPI

25 July 2017

Please be aware that there will be a system outage taking place on 27th June 2017 (between 16:00 - 23:00) affecting the MIPI web service. This will affect the following reports:

  • AggregatePhysical NTS System Entry Flows (NTSAPF)
  • End Of Day Aggregate Forecast NTS System Entry Flows (NTSAFF)
  • System Status Information (NB92)
  • Calorific Value Report.
  • PDWS hourly physical flow data

Normal service should resume shortly after. We will provide regular updates following this outage. If you have any further questions please contact us on [email protected]

 

Instantaneous flows- update

1 June 2017

The issue with the instantaneous flows data has now been resolved. Thank you for your patience.

Instantaneous flows issue

1 June 2017

We are aware of the issue with the instantaneous flows page not updating since 7:45pm last night. We are investigating this issue and hope to get it resolved as soon as possible. We will keep you informed of progress.

Gemini outage

25 May 2017

A Gemini outage of 2 hours will take place on 31st May 2017 between 04:15 and 06:15.

If you have any queries,  please contact us [email protected].

MIPI data discrepancies

17 May 2017

Please be aware we have identified small data discrepancies with the MIPI (SISR04) D+6 Actual Demand for the following days:

  • 27/02/17.

  • 28/02/17.

  • 01/03/17.

  • 08/03/17.

  • 09/03/17.

  • 24/03/17.

  • 26/03/17.

  • 27/03/17.

  • 28/03/17.

This has now been rectified we apologize for any inconvenience caused.

Storage stock level information

12 May 2017

Please be aware that we have been experiencing an issue with the provision of the Storage stock information and NTS Shrinkage Data to MIPI.

We have been working hard to understand the root cause of this issue and have a temporary solution in place from today and as such we expect this information will be available from Gas Day 12 May 2017. A solution to fully address the root cause will be implemented as soon as possible.

If you have any queries on this please contact [email protected].

MIPI data inconsistencies update

12 May 2017

On 30 July 2016 National Grid Transmission successfully implemented the Gas Control Suite (GCS) which replaced an aging control system with a more flexible solution to meet the new challenges of managing the network.  This also provided the following capabilities:

Physical control of the UK bulk gas transmission network.

Higher reliability, more secure system with next generation operator user interfaces (first total makeover since 1990s)

Commercial UK gas market facilitation and operation.

Flexible solution that can rapidly be adapted to regulatory or market change with state of the art easy access data visualisation.

Following GCS there were some inconsistencies in the data that was reflected in MIPI/GMRS.

The project team have been working hard to resolve the outstanding issues and as such we sent a communication on 31 March 2017 to highlight that these should be resolved by the end May 2017.  A progress update can be summarised as follows:

Demand actual data D+1 (SISR04 and Data Item Explorer)

This data has been consistently available since 03/11/17

Since GCS implementation, however,  there have been some inconsistencies with this data and therefore all existing D+1 data was deleted between 29/07/16 until 02/11/16.  This data will not be retrospectively added back into MIPI as the more accurate D+6 data is available.

Demand actual data D+6 (SISR04 and Data Item Explorer)

All data for the missing period between 23/07/16 and 11/02/17 has now been retrospectively added back into MIPI ahead of the forecasted completion date.

Weather Data (Operational Summary Report)

The weather data item within this daily report has not been available since GCS implementation.  From 26 May 2017 this specific data item will be published within the daily reports.  The aim was to have the retrospective patching of missing data completed by the end of May 2017, however priority was given to ensure the D+6 data was available sooner.  The retrospective weather data will now be available by 23 June 2017.

Demand data update

11 May 2017

As you will be aware on 30July 2016 National Grid Transmission successfully implemented the Gas Control Suite (GCS) which replaced an aging control system with a much more flexible control system to meet the new challenges of managing the network.  This also provided the following capabilities:

Physical control of the UK bulk gas transmission network. Higher reliability, more secure system with next generation operator user interfaces ( first total makeover since 1990s)

Commercial UK gas market facilitation and operation. Flexible solution that can rapidly be adapted to regulatory or market change with state of the art easy access data visualisation.

Following GCS there were some data inconsistencies in the data that was reflected in MIPI/GMRS, most of which have been resolved.

A few remaining issues exist which the project team have been working hard to resolve.  These will be resolved by the end May 2017.  The outstanding issues can be summarised as follows:

Demand actual data D+1 (SISR04 and Data Item Explorer)

This data has been consistently available since 03/11/17

Since GCS implementation there have been some data inconsistencies with this data and therefore all existing D+1 data has been deleted since 29/07/16 until 02/11/16.  This data will not be retrospectively added back into MIPI as the more accurate D+6 data is available.

Demand actual data D+6 (SISR04 and Data Item Explorer)

All data is correct since 12/02/17.

The historic data has not been available in MIPI from 23/07/16 until 11/02/17.  All data for this period will be retrospectively added back into MIPI by mid-May 2017. News items will be posted onto MIPI as this progresses.

Weather Data (Operational Summary Report)

The weather data item within this daily report has not been available since GCS implementation.  From mid-May 2017 this data item will be published and hence the report will be complete from that point onwards.  The retrospective patching of missing data will commence as soon as possible and we aim to have this completed by the end of May 2017.

Capacity Availability (NORD07)

An issue has been identified with this report and we are working to understand the root cause of this issue.

Procurement guidelines 2016-2017

28 April 2017

Please be aware that the Procurement Guidelines Report covering the period 1st April 2016 to 31st March 2017 is now available on the Procurement and System Management Documents page [link].

Prevailing View - GDW/MN values

6 April 2017

As you may be aware as a result of March 2017 Clock Change activities, there is slight delay in the GDW and MN Trigger values displaying on time. For each Gas Day the value for ‘Tomorrow’ should move over to the value for ‘Today’ as of 05:00. However, there is a delay with this information moving across where the values are moving over at 06:15 in the first instance. Going forward there is a fix for the system currently planned for 14th April 2017.

We would like to thank everyone for their patience in resolving this issue.

Please contact the e-mail address below if you have any further queries: [email protected]